Wide measuring range
Several microphones useable: UC-53A, UC-52, UC-34P, UC-29, UC-27, UC-31 with suitable preamplifiers and cables
Input: Switching power supply for a preamplifier, ± 12V or ± 45V.
Bias voltage for a microphone, 30/ 60/ 200V
Frequency range: 1 Hz to 100 kHz